Single-flow valve DF65 70

Product Overview The Single-flow valve DF65-70 (also called manifold check valve/one-way valve) is a high-pressure flagship product of Yancheng Kaifa Petroleum Machinery Co., Ltd., belonging to our High-Quality Valves and Durable Valves series, and a core component of our Reliable Flow Control solutions for extreme oilfield conditions. Engineered for ultra-high-pressure fluid management in manifold systems, this Single Flow Valve enables unidirectional flow of media (drilling fluid, oil/gas, cement slurry) while eliminating reverse flow risks—protecting critical manifold equipment (pumps, compressors, valves), stabilizing system pressure, and preventing medium cross-contamination or safety incidents. As the "anti-backflow safety guardian" for high-pressure industrial systems, it is widely trusted in ultra-high-pressure oil/gas extraction, fracturing operations, and energy transportation networks worldwide. Technical Specifications Model: Single-flow valve DF65-70 Nominal Diameter:…

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